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623-00000100 - Miller Smith 623 Series Silverline High Purity Two-Stage Regulator, 250 PSI, 1/4" FNPT

Packaging: 1 per ea
$1,197.68/ea $787.13/1 per ea only $787.13/eaSave 34%

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OVERVIEW

Unmatched Reliability for Specialty Gas Delivery

When your work depends on precise gas flow and unwavering pressure, the Miller Smith 623 Series Silverline Two-Stage Regulator is the professional's choice. Built to handle the nuances of specialty gas delivery, this regulator takes the guesswork out of pressure control. Unlike single-stage regulators that require frequent manual adjustments as your gas tank empties, this two-stage powerhouse maintains a steady 250 PSI output (max) from a full tank down to the last few pounds. This "set it and forget it" reliability allows you to focus entirely on your task, whether you are managing a custom welding mix, a laser cutting setup, or a laboratory supply line.

Built Tough with Premium Materials

Durability meets precision in the 623-00-00-01-00. The body is machined from solid brass bar stock and nickel-plated to resist corrosion and wear, ensuring it stands up to the rigors of industrial environments. Inside, a high-grade stainless steel diaphragm replaces the standard rubber components found in lesser regulators. This not only extends the lifespan of the unit by eliminating dry rot and cracking but also ensures that your gas remains pure and uncontaminated by rubber compounds. The metal-to-metal seal design is a testament to Miller Smith's commitment to quality, providing a leak-proof barrier that you can trust day in and day out.

Flexible Installation for Custom Setups

One of the standout features of this model is its connection versatility. Equipped with 1/4" FNPT threads on both the inlet and outlet, it is ready to be adapted to whatever system you are building. Whether you need to attach specific CGA fittings, quick connects, or hard-plumb it into a panel, this regulator accommodates your needs. The large, easy-to-read 2-1/2 inch gauge provides clear visual confirmation of your delivery pressure, while the bonnet's capturable vent adds an extra layer of safety for your workspace. Invest in the Silverline series for a regulator that delivers consistent, high-purity performance for years to come.

Additional Information
Brand:Miller
Item:Regulator
Max Inlet:3500 PSI
Max Outlet:250 PSI
Cga Fitting:n-a
Used On Which Gas:Inert Gases, Argon or Nitrogen
Packaging Description:1-per-ea
Series:620 Silverline
Stage Type:Two Stage
Body Material:Nickel Plated Brass Bar Stock
Diaphragm Material:316 Stainless Steel
Port Connections:1/4" FNPT Inlet, 1/4" FNPT Outlet
Gauge Size:2-1/2"
Application:High Purity, Non-Corrosive Specialty Gases

INCLUDED

  • 1x 623 Series Two-Stage Regulator
  • 1x 2-1/2 Inch Single Scale Delivery Gauge
  • 1x Installation and Operation Manual

APPLICATIONS

  • Analytical Instrumentation
  • Gas Chromatography
  • EPA Protocol Gas Standards
  • Laser Gas Systems
  • Emission Monitoring Systems
  • Research and Development Laboratories
  • Process Control for Non-Corrosive Gases

FAQ

A two-stage regulator provides constant delivery pressure regardless of fluctuations in the inlet (cylinder) pressure. This eliminates the need for frequent adjustment as the gas cylinder empties.

No, the Miller Smith 623 Series is designed for non-corrosive gases. It features a brass body which is not suitable for corrosive service.

This specific model (623-00-00-01-00) comes with 1/4" FNPT ports on both the inlet and outlet, allowing for custom fitting installation.

This regulator is rated for a delivery pressure range of 0-250 PSI.

A stainless steel diaphragm prevents outgassing and permeation that can occur with rubber diaphragms, ensuring high gas purity and a metal-to-metal seal.

Yes, the design is capable of withstanding internal vacuums during purging operations.

The capturable vent (1/16" FNPT) allows you to pipe potential leaks from the bonnet away to a safe area, which is critical when using hazardous gases.

The regulator is rated for a maximum inlet pressure of 3,500 PSI.
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